Finding the Fourth Proportional to 7,003.32, 10,506.15 and 3,107.58

Step by Step Solution

1. Step 1: Write the proportion equation
   7,003.32 : 10,506.15 = 3,107.58 : x
2. Step 2: Convert to fraction form
   7,003.32/10,506.15 = 3,107.58/x
3. Step 3: Cross multiply
   7,003.32x = 10,506.15 × 3,107.58
4. Step 4: Simplify right side
   7,003.32x = 32,648,701.62
5. Step 5: Solve for x
   x = 32,648,701.62/7,003.32
6. Step 6: Final answer
   x = 4,661.89